package com.changgou.filter;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

/**
 * 记录用户请求URL的过滤器
 */
@Component
public class UrlFilter implements GlobalFilter, Ordered {

    private Logger logger = LoggerFactory.getLogger(getClass());


    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        String url = exchange.getRequest().getURI().getPath();
        logger.info("第二个过滤器，记录用户请求的URL地址：" + url);
        //TODO 这里需将哪个用户的请求URL信息，记录到对应的表中，之后交给大数据团队进行分析使用
        return chain.filter(exchange);
    }

    @Override
    public int getOrder() {
        return 1;//注意此处值小于2
    }
}
